ABL provided marine warranty survey (MWS) services supporting offshore and onshore execution for the Lavrio–Serifos and Serifos–Milos 150 kV XLPE HVAC interconnections, including the Serifos–Milos segment. Its scope included engineering and method statement/documentation review, vessel suitability surveys, and issuance of Certificates of Approval, plus offshore and onshore attendance/oversight during cable load-out, shore-end pull-ins, laying, offshore jointing, and burial activities (jetting and trenching).